Generation 2

Smart Sprinkler Controller

Rachio Generation 2 Smart Sprinkler Controller is the #1 best rated and reviewed smart controller on the market. With a new entry price point, it is a perfect solution for consumers looking for a reliable and easy way to save water, money and time.


8-Zone SRP


16-Zone SRP

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Best-in-class support


Free shipping & returns


Extended 4-Year Warranty for Pros


Rebates available

The smart watering leader.

Expand your clients' smarthome to the lawn with the controller that sparked a smart watering revolution. The Rachio Generation 2 Smart Sprinkler Controller automatically creates watering schedules that lower water bills and ensure beautiful yards, while the mobile app allows total control via mobile and integrates with the top smart home platforms.

Water smarter with the Rachio App.

  • app-touch-hand-o

    Control sprinklers from anywhere using a smartphone, tablet or laptop.

  • calendar-clock-o

    Create customized schedules that water with accuracy.

  • weather-intel-o

    Weather Intelligence™ automatically adjusts schedules for changing weather.

  • shared-access-o

    Shared remote access allows irrigation pros to monitor and adjust homeowner's schedules anytime, anywhere.

App remote screen

Installation is easy.

Get the Rachio Generation 2 Smart Sprinkler Controller up and running in just three easy steps. Install in 30 minutes or less - no special tools or expertise required!


Replace your old controller.


Plug existing wires into Rachio.


Complete setup in the Rachio app.

Generation 2 Technical Specifications

In the box

  • Generation 2 Smart Sprinkler Controller

  • Power supply with 6-ft cord

  • Mounting hardware

  • Quick start guide

App Compatibility

iOS 10.3+ and Android 4.4+; subject to change. Mobile app is required to connect the controller to Wi-Fi. Web app available on most browsers.


Works with Nest, Amazon Alexa, The Google Assistant, IFTTT, Wink, Control4, Nexia and others.


8-zone and 16-zone models.

Size and Weight

  • Dimensions: 9.25" L x 5.625" H x 1.625" W

  • Weight: 1.2 Lbs

Power requirements

The Rachio controller must be connected to the AC power adapter included. DC Transformers are not supported.

  • Power Supply: External Transformer (6-ft cord - 2.1mm x 5.5mm Female barrel plug)

  • Transformer Power Input: 120V AC / 60Hz

  • Transformer Power Output: 24V AC

  • Zone output (24 VAC): Compatible with 24VAC Solenoids

Operating Temperature

Temperature Range: -4°F to 140°F

Wi-Fi Connection

Wi-Fi (2.4GHz) required. Supports dedicated 2.4GHz and dual-band networks. Cannot operate on 5 GHz only networks.


  • Rain Sensor: Wired & Wireless Normally Closed (NC) sensors

  • Soil Sensor: Wired & Wireless Normally Closed (NC) sensors

  • Wired Flow Sensors

Wire Terminals

Smart wire terminals sense which zones are active, and provide feedback if your irrigation system might have a problem.

Master Valve

Compatible with master valve, pump relay, or indexing valve.


Extended 4-year warranty with Pro installation

Power Disruption

In the event of Wi-Fi outage or intermittency, the controller’s memory retains the last saved schedule received from the Rachio cloud and maintains the schedule until an update can be downloaded.

Optional Outdoor Enclosure

Custom outdoor enclosure is available. Enclosure is weatherproof and allows for hardwiring.

User Reviews

All of our reviews are submitted by real Rachio users.

We never use incentives to influence these reviews or alter their content in any way. Read to learn how customers rate our products on ease of setup and use.

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